void
Hash_serialize(Hash *self, OutStream *outstream) {
Obj *key;
Obj *val;
uint32_t charbuf_count = 0;
OutStream_Write_C32(outstream, self->size);
// Write CharBuf keys first. CharBuf keys are the common case; grouping
// them together is a form of run-length-encoding and saves space, since
// we omit the per-key class name.
Hash_Iterate(self);
while (Hash_Next(self, &key, &val)) {
if (Obj_Is_A(key, CHARBUF)) {
charbuf_count++;
}
}
OutStream_Write_C32(outstream, charbuf_count);
Hash_Iterate(self);
while (Hash_Next(self, &key, &val)) {
if (Obj_Is_A(key, CHARBUF)) {
Obj_Serialize(key, outstream);
FREEZE(val, outstream);
}
}
// Punt on the classes of the remaining keys.
Hash_Iterate(self);
while (Hash_Next(self, &key, &val)) {
if (!Obj_Is_A(key, CHARBUF)) {
FREEZE(key, outstream);
FREEZE(val, outstream);
}
}
}
void
TextTermStepper_write_key_frame(TextTermStepper *self, OutStream *outstream,
Obj *value)
{
Obj_Serialize(value, outstream);
Obj_Mimic(self->value, value);
}
void
DocWriter_add_inverted_doc(DocWriter *self, Inverter *inverter,
int32_t doc_id) {
OutStream *dat_out = S_lazy_init(self);
OutStream *ix_out = self->ix_out;
uint32_t num_stored = 0;
int64_t start = OutStream_Tell(dat_out);
int64_t expected = OutStream_Tell(ix_out) / 8;
// Verify doc id.
if (doc_id != expected) {
THROW(ERR, "Expected doc id %i64 but got %i32", expected, doc_id);
}
// Write the number of stored fields.
Inverter_Iterate(inverter);
while (Inverter_Next(inverter)) {
FieldType *type = Inverter_Get_Type(inverter);
if (FType_Stored(type)) { num_stored++; }
}
OutStream_Write_C32(dat_out, num_stored);
Inverter_Iterate(inverter);
while (Inverter_Next(inverter)) {
// Only store fields marked as "stored".
FieldType *type = Inverter_Get_Type(inverter);
if (FType_Stored(type)) {
CharBuf *field = Inverter_Get_Field_Name(inverter);
Obj *value = Inverter_Get_Value(inverter);
CB_Serialize(field, dat_out);
Obj_Serialize(value, dat_out);
}
}
// Write file pointer.
OutStream_Write_I64(ix_out, start);
}
void
Freezer_freeze(Obj *obj, OutStream *outstream) {
CB_Serialize(Obj_Get_Class_Name(obj), outstream);
Obj_Serialize(obj, outstream);
}
